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Replit CEO Says Coding Agents Are Becoming Core AI Infrastructure, Urges Startups to Question Big Labs

September 23, 2026 at 21:32 EDT

AI Agents
Software Dev & Coding
Sales & Business

Replit CEO Amjad Masad used an AI Agenda Live appearance to argue that coding agents are moving from developer tools to foundational infrastructure for AI products, while warning startups not to assume the major model labs will remain neutral platform suppliers. His message reflects a sharper fault line in the AI software market: application companies increasingly depend on frontier models from firms that are also building competing coding products.

Sep. 24, 2026 · Replit

Coding agents move into the infrastructure layer

Replit's CEO says agents are becoming a foundation for AI products, while startups face a harder question: what happens when their model suppliers also become competitors?

Valuation jump shows the stakes

$3B

Earlier valuation

$9B

Latest valuation

The new round values Replit at three times its earlier level.

$400M

Latest funding

600

Zillow seats

7,000+

Zillow apps

100,000+

Supported apps

How the agent platform works

Plan

User intent becomes tasks.

→

Build

Agents edit, test and coordinate.

→

Deploy

The app moves into production.

Why users care

Teams are using agents for internal tools, prototypes and fast app delivery by non-engineers.

Why caution remains

Live data, model dependence and competing suppliers make trust and control central issues.

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